Answer:

1 S
2 O
3 U
4 R

There are 42 possible clues that match this answer.



Definition
superl. Having an acid or sharp, biting taste, like vinegar, and the juices of most unripe fruits; acid; tart.
superl. Changed, as by keeping, so as to be acid, rancid, or musty, turned.
superl. Disagreeable; unpleasant; hence; cross; crabbed; peevish; morose; as, a man of a sour temper; a sour reply.
superl. Afflictive; painful.
superl. Cold and unproductive; as, sour land; a sour marsh.

Answers Like SOUR
SHR SOAR SRI SIR SCAR SARI SUER SORE SHORE SUGAR SHARI SAAR SHARE SHIRR SCREE SCOUR SASSER